using UnityEngine;
using System;

public class AdManager : MonoBehaviour
{
    // 单例实例
    private static AdManager instance;
    public static AdManager Instance => instance;

    [Header("广告单元ID")]
    // 插页广告ID
    [SerializeField] private string interstitialAdUnitId = "YOUR_INTERSTITIAL_AD_UNIT_ID";
    // 激励广告ID
    [SerializeField] private string rewardedAdUnitId = "YOUR_REWARDED_AD_UNIT_ID";
    // 横幅广告ID
    [SerializeField] private string bannerAdUnitId = "YOUR_BANNER_AD_UNIT_ID";

    [Header("广告设置")]
    // 插页广告显示间隔（每多少次触发一次）
    [SerializeField] private int interstitialAdInterval = 2; // 每多少次显示一次插页广告
    // 插页广告计数器
    private int interstitialAdCounter = 0;

    /// <summary>
    /// 单例初始化，防止重复实例
    /// </summary>
    private void Awake()
    {
        if (instance == null)
        {
            instance = this;
            DontDestroyOnLoad(gameObject);
        }
        else
        {
            Destroy(gameObject);
        }
    }

    /// <summary>
    /// 启动时初始化广告SDK
    /// </summary>
    private void Start()
    {
        InitializeAds();
    }

    /// <summary>
    /// 初始化广告SDK及各类广告
    /// </summary>
    private void InitializeAds()
    {
        // 初始化SDK
        //MaxSdk.SetSdkKey("YOUR_SDK_KEY");
        MaxSdk.InitializeSdk();

        // 注册回调
        MaxSdkCallbacks.OnSdkInitializedEvent += OnSdkInitialized;
        
        // 初始化各类广告
        InitializeInterstitialAds();
        InitializeRewardedAds();
        InitializeBannerAds();
    }

    /// <summary>
    /// SDK初始化完成回调
    /// </summary>
    private void OnSdkInitialized(MaxSdkBase.SdkConfiguration sdkConfiguration)
    {
        Debug.Log("AppLovin SDK 初始化成功");
    }

    #region 插页广告
    /// <summary>
    /// 初始化插页广告及回调
    /// </summary>
    private void InitializeInterstitialAds()
    {
        // 注册插页广告回调
        MaxSdkCallbacks.Interstitial.OnAdLoadedEvent += OnInterstitialLoadedEvent;
        MaxSdkCallbacks.Interstitial.OnAdLoadFailedEvent += OnInterstitialLoadFailedEvent;
        MaxSdkCallbacks.Interstitial.OnAdDisplayedEvent += OnInterstitialDisplayedEvent;
        MaxSdkCallbacks.Interstitial.OnAdClickedEvent += OnInterstitialClickedEvent;
        MaxSdkCallbacks.Interstitial.OnAdHiddenEvent += OnInterstitialHiddenEvent;
        MaxSdkCallbacks.Interstitial.OnAdDisplayFailedEvent += OnInterstitialDisplayFailedEvent;

        // 加载第一个插页广告
        LoadInterstitial();
    }

    /// <summary>
    /// 加载插页广告
    /// </summary>
    private void LoadInterstitial()
    {
        MaxSdk.LoadInterstitial(interstitialAdUnitId);
    }

    /// <summary>
    /// 显示插页广告，按间隔计数
    /// </summary>
    public void ShowInterstitial()
    {
        interstitialAdCounter++;
        if (interstitialAdCounter >= interstitialAdInterval)
        {
            if (MaxSdk.IsInterstitialReady(interstitialAdUnitId))
            {
                MaxSdk.ShowInterstitial(interstitialAdUnitId);
                interstitialAdCounter = 0;
            }
            LoadInterstitial();
        }
    }

    private void OnInterstitialLoadedEvent(string adUnitId, MaxSdkBase.AdInfo adInfo)
    {
        Debug.Log("插页广告加载成功");
    }

    private void OnInterstitialLoadFailedEvent(string adUnitId, MaxSdkBase.ErrorInfo errorInfo)
    {
        Debug.LogError($"插页广告加载失败: {errorInfo.Message}");
        LoadInterstitial();
    }

    private void OnInterstitialDisplayedEvent(string adUnitId, MaxSdkBase.AdInfo adInfo)
    {
        Debug.Log("插页广告显示成功");
    }

    private void OnInterstitialClickedEvent(string adUnitId, MaxSdkBase.AdInfo adInfo)
    {
        Debug.Log("插页广告被点击");
    }

    private void OnInterstitialHiddenEvent(string adUnitId, MaxSdkBase.AdInfo adInfo)
    {
        Debug.Log("插页广告关闭");
        LoadInterstitial();
    }

    private void OnInterstitialDisplayFailedEvent(string adUnitId, MaxSdkBase.ErrorInfo errorInfo, MaxSdkBase.AdInfo adInfo)
    {
        Debug.LogError($"插页广告显示失败: {errorInfo.Message}");
        LoadInterstitial();
    }
    #endregion

    #region 激励广告
    /// <summary>
    /// 初始化激励广告及回调
    /// </summary>
    private void InitializeRewardedAds()
    {
        // 注册激励广告回调
        MaxSdkCallbacks.Rewarded.OnAdLoadedEvent += OnRewardedLoadedEvent;
        MaxSdkCallbacks.Rewarded.OnAdLoadFailedEvent += OnRewardedLoadFailedEvent;
        MaxSdkCallbacks.Rewarded.OnAdDisplayedEvent += OnRewardedDisplayedEvent;
        MaxSdkCallbacks.Rewarded.OnAdClickedEvent += OnRewardedClickedEvent;
        MaxSdkCallbacks.Rewarded.OnAdHiddenEvent += OnRewardedHiddenEvent;
        MaxSdkCallbacks.Rewarded.OnAdDisplayFailedEvent += OnRewardedDisplayFailedEvent;
        MaxSdkCallbacks.Rewarded.OnAdReceivedRewardEvent += OnRewardedReceivedRewardEvent;

        // 加载第一个激励广告
        LoadRewardedAd();
    }

    /// <summary>
    /// 加载激励广告
    /// </summary>
    private void LoadRewardedAd()
    {
        MaxSdk.LoadRewardedAd(rewardedAdUnitId);
    }

    /// <summary>
    /// 显示激励广告，回调奖励
    /// </summary>
    public void ShowRewardedAd(Action onRewarded)
    {
        if (MaxSdk.IsRewardedAdReady(rewardedAdUnitId))
        {
            MaxSdk.ShowRewardedAd(rewardedAdUnitId);
            onRewarded?.Invoke();
        }
        LoadRewardedAd();
    }

    private void OnRewardedLoadedEvent(string adUnitId, MaxSdkBase.AdInfo adInfo)
    {
        Debug.Log("激励广告加载成功");
    }

    private void OnRewardedLoadFailedEvent(string adUnitId, MaxSdkBase.ErrorInfo errorInfo)
    {
        Debug.LogError($"激励广告加载失败: {errorInfo.Message}");
        LoadRewardedAd();
    }

    private void OnRewardedDisplayedEvent(string adUnitId, MaxSdkBase.AdInfo adInfo)
    {
        Debug.Log("激励广告显示成功");
    }

    private void OnRewardedClickedEvent(string adUnitId, MaxSdkBase.AdInfo adInfo)
    {
        Debug.Log("激励广告被点击");
    }

    private void OnRewardedHiddenEvent(string adUnitId, MaxSdkBase.AdInfo adInfo)
    {
        Debug.Log("激励广告关闭");
        LoadRewardedAd();
    }

    private void OnRewardedDisplayFailedEvent(string adUnitId, MaxSdkBase.ErrorInfo errorInfo, MaxSdkBase.AdInfo adInfo)
    {
        Debug.LogError($"激励广告显示失败: {errorInfo.Message}");
        LoadRewardedAd();
    }

    private void OnRewardedReceivedRewardEvent(string adUnitId, MaxSdkBase.Reward reward, MaxSdkBase.AdInfo adInfo)
    {
        Debug.Log($"激励广告奖励发放: {reward.Amount} {reward.Label}");
    }
    #endregion

    #region 横幅广告
    /// <summary>
    /// 初始化横幅广告及回调
    /// </summary>
    private void InitializeBannerAds()
    {
        // 注册横幅广告回调
        MaxSdkCallbacks.Banner.OnAdLoadedEvent += OnBannerLoadedEvent;
        MaxSdkCallbacks.Banner.OnAdLoadFailedEvent += OnBannerLoadFailedEvent;
        MaxSdkCallbacks.Banner.OnAdClickedEvent += OnBannerClickedEvent;
        MaxSdkCallbacks.Banner.OnAdExpandedEvent += OnBannerExpandedEvent;
        MaxSdkCallbacks.Banner.OnAdCollapsedEvent += OnBannerCollapsedEvent;

        // 加载横幅广告
        LoadBanner();
    }

    /// <summary>
    /// 加载横幅广告
    /// </summary>
    private void LoadBanner()
    {
        MaxSdk.CreateBanner(bannerAdUnitId, MaxSdkBase.BannerPosition.BottomCenter);
    }

    /// <summary>
    /// 显示横幅广告
    /// </summary>
    public void ShowBanner()
    {
        MaxSdk.ShowBanner(bannerAdUnitId);
    }

    /// <summary>
    /// 隐藏横幅广告
    /// </summary>
    public void HideBanner()
    {
        MaxSdk.HideBanner(bannerAdUnitId);
    }

    private void OnBannerLoadedEvent(string adUnitId, MaxSdkBase.AdInfo adInfo)
    {
        Debug.Log("横幅广告加载成功");
    }

    private void OnBannerLoadFailedEvent(string adUnitId, MaxSdkBase.ErrorInfo errorInfo)
    {
        Debug.LogError($"横幅广告加载失败: {errorInfo.Message}");
        LoadBanner();
    }

    private void OnBannerClickedEvent(string adUnitId, MaxSdkBase.AdInfo adInfo)
    {
        Debug.Log("横幅广告被点击");
    }

    private void OnBannerExpandedEvent(string adUnitId, MaxSdkBase.AdInfo adInfo)
    {
        Debug.Log("横幅广告展开");
    }

    private void OnBannerCollapsedEvent(string adUnitId, MaxSdkBase.AdInfo adInfo)
    {
        Debug.Log("横幅广告收起");
    }
    #endregion

    /// <summary>
    /// 脚本销毁时清理横幅广告
    /// </summary>
    private void OnDestroy()
    {
        // 清理横幅广告
        MaxSdk.DestroyBanner(bannerAdUnitId);
    }
}